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101212303030 = 2544322847021
BaseRepresentation
bin101111001000010111…
…0010010111010110110
3100200020122210201100221
41132100232102322312
53124240322144110
6114255110524554
710212064244446
oct1362056227266
9320218721327
10101212303030
1139a18785333
121774796675a
13970ca20b07
144c82074126
1529758a57da
hex1790b92eb6

101212303030 has 16 divisors (see below), whose sum is σ = 182593399824. Its totient is φ = 40393531360.

The previous prime is 101212302967. The next prime is 101212303033. The reversal of 101212303030 is 30303212101.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 101212302995 and 101212303013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101212303033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11419081 + ... + 11427940.

It is an arithmetic number, because the mean of its divisors is an integer number (11412087489).

Almost surely, 2101212303030 is an apocalyptic number.

101212303030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101212303030 is a deficient number, since it is larger than the sum of its proper divisors (81381096794).

101212303030 is a wasteful number, since it uses less digits than its factorization.

101212303030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22847471.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 101212303030 its reverse (30303212101), we get a palindrome (131515515131).

The spelling of 101212303030 in words is "one hundred one billion, two hundred twelve million, three hundred three thousand, thirty".

Divisors: 1 2 5 10 443 886 2215 4430 22847021 45694042 114235105 228470210 10121230303 20242460606 50606151515 101212303030